Datasheet

Appendix B Internal I/O Registers
Rev. 8.00 Mar. 09, 2010 Page 594 of 658
REJ09B0042-0800
PUCR1—Port Pull-Up Control Register 1 H'E0 I/O Ports
Bit
Initial value
Read/Write
7
PUCR1
7
0
R/W
6
PUCR1
6
*
0
R/W
0
1
Input pull-up MOS is off
Input pull-up MOS is on
5
⎯
⎯
W
3
PUCR1
3
0
R/W
0
⎯
⎯
W
2
⎯
⎯
W
1
⎯
⎯
W
4
PUCR1
4
0
R/W
Port 1 Input Pull-up MOS Control
Note: When the PCR1 specification is 0.
(Input port specification)
Note: * PUCR1
6
is not equipped with H8/38124 Group.
PUCR3—Port Pull-Up Control Register 3 H'E1 I/O Ports
Bit
Initial value
Read/Write
7
PUCR3
0
R/W
6
PUCR3
0
R/W
5
PUCR3
0
R/W
4
PUCR3
0
R/W
3
PUCR3
0
R/W
0
PUCR3
0
R/W
2
PUCR3
0
R/W
1
PUCR3
0
R/W
234567 10
0
1
Input pull-up MOS is off
Input pull-up MOS is on
Port 3 Input Pull-up MOS Control
Note: When the PCR3 specification is 0.
(Input port specification)